The Centers for Disease Control and Prevention's recommendations also highlight the relationship between secondhand smoke exposure and some common ear infections.
疾病控制和预防中心也建议重视二手烟和一些常见的耳部感染之间的关系。
2
Bump exposure: Method of increasing highlight contrast when producing a half-tone by removing the screen briefly to remove any dots in the highlight area.
无网曝光：是增加半色调图片的光部对比的方法。摄制时把网片除下作短时间曝光使光部的网点消失。
3
Highlight warnings alert the photographer of over exposure.